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Calculate the minimum concentration of 100.0 m L of sodium sulfate that is required to form a precipitate with 100.0 m L of 1.00 * 10^-2 M calcium nitrate.
Point out the polarity of each bond with partial charges- (a) Br-Cl (b) F-Cl (c) H-O (d) Se-H (e) As-H (f) S-N
Explain the chemical nature of storage fats. How are they stored (chemically), where are they stored (biologically).
A quantity of 6.0 moles of an ideal gas is reversibly heated at constant volume from 17 C to 35 C. Calculate the entropy change.
The substance acetylsalicylic acid (aspirin) (HC9H7O4) is a weak acid (Ka = 3.0×10-4).
Give at least 5 members (ions) of the same isoelectronic series as neon. Arrange them in order of smallest ionic radius to largest ionic radius.
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
Explain the significance of the chromic acid test. What would you observe in the case of a positive result? Do you expect 9-fluorenol to give a positive or negative result? What about the 9-fluorenone?
Explain why would n-acetyltyrosine ethyl ester have a higher affinity for the active site in chymotrypsin than n-actylvaline ethyl ester based on their shape
A water balloon with a volume of 260.0 L has launched at 20 degrees celcius at sea level where the atmospphereic pressure is 1.00 atm.
What must the Celsius temperature be if 2.0 moles of a gas in a 4.0 L steel container has a measured pressure of 100 atm
What is the percent ionization of cyanic acid (Ka = 2.0 x 10^-4) in a buffer of 0.50 M HCNO and 0.10 M NaCNO?
Calculate the pH of a 1.36x10^-2M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86.
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